// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-properties-of-string-instances-length
description: The "length" property of String objects
info: |
  [...]
  4. Return ? StringCreate(s, ? GetPrototypeFromConstructor(NewTarget,
     "%StringPrototype%")).
includes: [propertyHelper.js]
---*/

function Test() {
    var str = new String('');

    verifyNotEnumerable(str, 'length');
    verifyNotWritable(str, 'length');

    assert.sameValue(str.length, 0, 'empty string');

    str = new String(' ');
    assert.sameValue(str.length, 1, 'whitespace');

    str = new String(' \b ');
    assert.sameValue(str.length, 3, 'character escape (U+008, "backspace")');

    str = new String('\ud834\udf06');
    assert.sameValue(str.length, 2, 'Unicode escape (surrogate pair)');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
